Unrestricted file upload in Yealink Plug In Softwares
CVSS score
9.0
EPSS probability
—
Risk score
0.9
Published
3 h ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
An unauthorized file write vulnerability discovered in Yealink Plug-in Softwares prior to version 2.35.219.0 (S0) can be exploited by attackers to achieve remote code execution (S0). The vulnerability is classified as critical (S0).
This critical vulnerability severely threatens system security as it allows attackers to achieve remote code execution under specific scenarios (S0).
What should be done?
- Follow vendor security bulletins (S0)
- Apply updates when available (S0)
Chain of evidence and sources
Yealink Plug-in Softwares 2.35.219.0 öncesi sürümlerde yetkisiz dosya yazma zafiyeti bulunmaktadır (S0).
Zafiyet saldırganlar tarafından uzaktan kod yürütmek amacıyla istismar edilebilir (S0).
Show the technical text from the sources
In Yealink Plug-in Softwares before 2.35.219.0, there is an unauthorized file write vulnerability under specific scenarios, which may be exploited by attackers to achieve remote code execution.
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE: CWE-434
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-122120 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | yealink | Plug-in Softwares | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 9.0 | CVSS V3_1 | CRITICAL | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H | CVE CNA |
| 9.0 | CVSS V31 | CRITICAL | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-122120 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-122120 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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